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题型:阅读理解-阅读单选 难度:0.85 引用次数:239 题号:16144182

Amazing Scientists Who Happen to Be Teenagers

We’ve got a list of teen scientists from a variety of fields.

Jack Andraka

Jack Andraka created a biological sensor for testing cancer at an early stage. He says that the paper sensor is 168 times faster, 26,667 times less expensive and 400 times more sensitive than technology nowadays.

He’s the youngest person to have spoken in front of the Royal Society of Medicine.

Taylor Wilson

Taylor Wilson was the youngest person to achieve nuclear fusion (核聚变). He was inspired by The Radioactive Boy Scout, a novel in which a kid tries and fails to build a nuclear reactor.

Taylor thought he could do better. Long story short, he wanted to build a small nuclear reactor. And he did it at the age of fourteen. He received a Thiel Fellowship, which gave him $100,000 to work on his own research.

Sara Volz

Sara Volz performed experiments in which she grew algae (藻类) based on their oil output for the purpose of growing them as biofuel. This research is especially important as the world continues to search for a way to reduce our dependence on non-renewable energy. She won the top prize of $100,000 in the Intel Science Talent Search.

Daniel Burd

Plastic usually takes thousands of years to decompose (分解), but this high school student Daniel Burd managed to do it in three months. In an experiment, he mixed plastic bags and a special kind of dirt together, and found that they did decompose faster. He then performed tests to find the bacteria (细菌) responsible for decomposing the plastics.

His solution only produces water and small amounts of carbon dioxide. He says it could easily be used elsewhere.

1. Who invented a medical instrument?
A.Jack Andraka.B.Taylor Wilson.C.Sara Volz.D.Daniel Burd.
2. What excited Taylor Wilson’s interest in his invention?
A.A travel program.B.Plastic pollution.C.Energy shortage.D.A story book.
3. What do we know about Daniel Burd’s invention?
A.It is made from plastics.B.It does little harm to the environment.
C.It was completed in three months.D.It is widely used in everyday waste.

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文章大意:本文是说明文。文章主要介绍了北京冬奥会媒体中心机器人的功能。

【推荐1】Directions, luggage delivery, tasty food. Those are some of the things we’ve seen robots offering at the media center of Beijing Winter Olympics. And most of the robots we’ve seen here aren’t made to look human. Instead, they present a wide range of looks.

Two of the most advanced robots regularly operate in crowded space. One greets visitors, answers questions and offers to guide people through the crowds. Another one cleans the carpeted hallways of the main press center. It speaks to passersby in a woman’s voice. It seems to be speaking English. But we can make it out well, because it also plays joyful music while its two front brushes are clearing dust and dirt like a street-sweeper.

Don’t assume these robots work all hours just because they’re robots. They have carefully managed schedules. For example, the snack robots just go around the media center for about 15 minutes every hour—usually only between noon and 17:00.

Another kind of robots helps out with logistics(物流) at the media center. These robots can carry up to 300 kilograms of goods, move freely along the relatively empty halls and automatically(自动地) recharge themselves. They send unique codes through text messages to the receivers when the delivery has arrived. Then they can pick up the goods with the codes.

There are even COVID-fighting robots, which move around pre-programmed areas spreading chemicals. Food ordering, making and serving in the dining room are fully automatic too. Reporters from around the world can enjoy various food options here.

In short, robots play an outstanding role in the Beijing Winter Olympics. But the most important goal is to reduce direct contact(接触) between people.

1. What can the robots do according to paragraph 2?
A.Sing and dance at the entrance.B.Guide people in crowded areas.
C.Cook and serve in the dining room.D.Deliver goods and recharge automatically.
2. What can we know about the snack robots?
A.They look like street-sweepers.B.They show up every 15 minutes.
C.They cook food on site for the guests.D.They have pre-programmed schedules.
3. What is the main purpose of using robots at the media center?
A.To reduce direct human contact.B.To promote made-in-China robots.
C.To meet the challenge of labor shortage.D.To test the skill of AI technologies.
4. What is the best title for the text?
A.A Wonderful Day at 2022 Beijing Winter Olympics
B.Helpful Robots at Beijing Winter Olympics Media Center
C.Robots’ Important Roles at 2022 Beijing Winter Olympics
D.A Unique Robot Show at Beijing Winter Olympics Media Center
2022-05-11更新 | 93次组卷
阅读理解-阅读单选(约320词) | 较易 (0.85)
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文章大意:本文为一篇记叙文,讲述了Param Jaggi生性好奇,发明创造价格合理且环保的产品,改变人们的想法,并激励年轻人参与创新和发明的事迹。

【推荐2】When Param Jaggi was five years old, he had a passion to take things apart to see what was inside. He started with toys and even broke a computer, which made his parents not too pleased. As he got older, he shifted from breaking things to building things, which greatly comforted his parents. In middle school, he started working on projects in his kitchen laboratory, and his first project was making biofuels.

Although Jaggi’s parents initially thought his experiments were just a boyhood fancy, he remained determined to make a difference to the environment. Eventually, his parents came around and started supporting his dreams. Jaggi’s interest continued as he grew up, but he focused more on solving real problems, especially those related to the environment.

At 17, Jaggi went beyond his school projects and co-founded Ecoviate, a company that uses technology to solve everyday energy and environmental problems. He planned to transform people’s idea that going green is expensive, by making available a series of affordable products that are easy to use. Through Ecoviate, he designed products that could contribute to a greener future. One of his notable inventions was the “CO2ube”, a device that could reduce carbon emissions, and it’s available to many people at low prices.

Young Jaggi, now a third-grade college student studying engineering and economics, has become a famous eco-innovator and his company is developing promisingly. However, Jaggi’s vision to save the environment goes beyond creating products. He plans to launch an online platform through Ecoviate, which will encourage young students interested in science and technology to get actively involved in innovation and invention. Students can submit a science project online, and talk about the help that they need to make the project a reality.

1. What can we learn about Jaggi?
A.He dreamed to be an engineer.B.He was curious by nature.
C.He always annoyed his parents.D.He was addicted to playing toys.
2. Which of the following can best replace the underlined part “came around” in Paragraph 2?
A.Walked around.B.Paid a visit.
C.Changed their minds.D.Become conscious.
3. What drove Jaggi to develop affordable and user-friendly products?
A.His love for greener devices.B.His pursuit of academic career.
C.His hope to boost green industry.D.His desire to make a difference.
4. Why does Jaggie plan to launch an online platform?
A.To empower young inventors.B.To promote smart products.
C.To provide eco-themed courses.D.To offer environmentalists funds.
2024-04-10更新 | 175次组卷
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【推荐3】Researchers at MIT created a high-tech pill that starts to vibrate (震动) once it makes contact with liquid in the user’s stomach and make him or her feel full. The pill was reportedly thought up by Shriya Srinivasan, currently an assistant professor of bioengineering at Harvard University.

VIBES, short for Vibrating Ingestible BioEleotronic Stimulator, was only recently made public in a study published in the Science Journal, but it is already being announced by the media as the future of weight loss. Although it has yet to be tested on humans, trials on pigs have achieved very hopeful results. After about 30 minutes of VIBES activity, pigs consumed on average almost 40 percent less food in the next half hour than they did without the smart pill. Apparently, the revolutionary device works by activating stretch receptors in the stomach, modeling the presence of food. This in turn signals the hypothalamus (下丘脑) to increase the levels of hormones that make us feel full. The vibrating stimulator, which is about the size of a vitamin pill, is powered by an encased battery and activated either by the gastric fluid (胃液) breaking down a coat around the pill, or by an incorporated timer. After producing the desired effect, the pill exits the body with other solid waste:

The good news is that it is expected to have a cost in the cents to one dollar range, and researchers say that it may eventually be possible to implant the stimulator and thus remove the need for people to constantly swallow it.

“Our study demonstrates the effectiveness of a low-cost, non-operative intervention to reduce food intake and ca lorie consumption. The device functions effectively in the stomach and leading to fullness,” said Giovanni Traverso, co-author of the study. “The device has the potential to revolutionize options for weight loss treatment. However, future studies will need to explore the physiological effects of the device before it’s available for patients.”

Researchers are now exploring ways to scale up the producing of VIBES capsules which could enable clinical trials in humans.

1. What is the outcome of taking the pill?
A.Liquid production.B.Food storage.
C.Sensation of fullness.D.Recovery of users.
2. Which aspect of the device is mentioned in paragraph 2?
A.Its working principle.B.Its intelligence.
C.Its testing history.D.Its side effect.
3. What is the researchers’ ultimate goal of the device?
A.To produce gastric fluid with it.B.To destroy the coat around it.
C.To fix it in human body.D.To remove solid waste from it.
4. What is Giovanni Traverso’s attitude towards the future of the device?
A.Worried.B.Cautious.C.Doubtful.D.Confused.
2024-03-26更新 | 171次组卷
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